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20110321032013 = 128356472775713
BaseRepresentation
bin1001001001010010011001…
…00010101001101101001101
32122012112020211221121011101
410210221030202221231031
510113441414141011023
6110434315352423101
74143631334226502
oct444511442515515
978175224847141
1020110321032013
116453814a47263
1223096219a7a91
13b2b51a1637c4
144d74b7d2b4a9
1524d1b02441ad
hex124a4c8a9b4d

20110321032013 has 8 divisors (see below), whose sum is σ = 20129566750848. Its totient is φ = 20091080878464.

The previous prime is 20110321031869. The next prime is 20110321032059. The reversal of 20110321032013 is 31023012301102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20110321032013 - 217 = 20110320900941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20110321032073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5857245 + ... + 8632957.

It is an arithmetic number, because the mean of its divisors is an integer number (2516195843856).

Almost surely, 220110321032013 is an apocalyptic number.

It is an amenable number.

20110321032013 is a deficient number, since it is larger than the sum of its proper divisors (19245718835).

20110321032013 is a wasteful number, since it uses less digits than its factorization.

20110321032013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2782643.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 20110321032013 its reverse (31023012301102), we get a palindrome (51133333333115).

The spelling of 20110321032013 in words is "twenty trillion, one hundred ten billion, three hundred twenty-one million, thirty-two thousand, thirteen".

Divisors: 1 1283 5647 2775713 7245101 3561239779 15674451311 20110321032013